アズレンに関する研究(第4報) : アズレンに対する放射線の作用グアイアズレンの紫外線照射つにいて

概要

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Irradiation of guaiazulene with ultraviolet ray gave approximately the same result as that with γ-rays. The absorption decreased in proportion to the time of irradiation, and guaiazulene in the solution was reduced to di-, tetra-, hexa-, octa-, and deca-hydro-guaiazulene. At the same time, due probably to the effect of dissolved air, formation of an oxide as pale yellowish brown crystals and ploymerization were found to take place. There was no marked change in the absorption spectrum even when the solution was stored at a room temperature for six months or when a considerable amount of air was bubbled. The solution through which nitrogen gas had been bubbled showed no formation of crystals even on irradiation of γ-rays. These results indicate that discoloration of azulenes by irradiation of radioactive rays was due to the reduction and polymerization of azulene, and oxidation by dissolved air in the solution.
公益社団法人日本薬学会の論文
1968-07-25